Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Which programs can access 6-piece tablebases...

Author: Dieter Buerssner

Date: 15:51:41 02/20/05

Go up one level in this thread


On February 20, 2005 at 18:40:34, Guido wrote:

>You are right but if I remember well there is a mate in 127 and a loss in 127 in
>kppkp and another score to add is illegal position.
>So for kppkp it is necessary at least 9 bits. You could use the illegal position
>score meaning loss in 127, as illegal positions are not possible in the game.

Hi Guido! IIRC, 8 bits was just enough for kppkp and all 256 numbers were used.
kppkp wtm has mate in 127, btm has lost in 127, together with draw and broken
positions, this exactly fits the 256 states possible in one byte.

Cheers,
Dieter



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.